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Monthly climate in Simisna, Romania

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Simisna features a humid continental climate (Dfb). Temperatures typically range between -2 °C (29 °F) and 22 °C (71 °F) through the year, but rarely can drop to -19 °C (-3 °F) or can rise to as high as 37 °C (98 °F). The average annual precipitation amounts to about 785 mm (30.9 inches) and receives 134 rainy days on the 1 mm (0.04 inches) threshold annually. Simisna enjoys an average of 3641 hours of sunshine throughout the year, and daylight varies from 8 hours 31 minutes to 15 hours 51 minutes per day.

Monthly average temperatures in Simisna, Romania

The warmest months in Simisna are June, July and August, with daily mean temperatures ranging from 20 to 22 °C (68 - 71 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to 2 °C (29 - 35 °F) throughout the day. On average each year, Simisna experiences 63 days above 25 °C (77.0 °F) and 81 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Simisna. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum12°C
(53°F)		16°C
(62°F)		23°C
(73°F)		28°C
(83°F)		29°C
(84°F)		33°C
(92°F)		33°C
(91°F)		37°C
(98°F)		31°C
(89°F)		26°C
(78°F)		24°C
(75°F)		14°C
(57°F)
Mean maximum7°C
(45°F)		12°C
(54°F)		19°C
(66°F)		24°C
(76°F)		27°C
(80°F)		29°C
(85°F)		31°C
(89°F)		33°C
(92°F)		30°C
(86°F)		23°C
(74°F)		18°C
(65°F)		10°C
(50°F)
Average high1°C
(34°F)		5°C
(42°F)		10°C
(51°F)		16°C
(61°F)		20°C
(68°F)		25°C
(77°F)		26°C
(79°F)		28°C
(83°F)		23°C
(73°F)		17°C
(63°F)		10°C
(50°F)		4°C
(39°F)
Daily mean-2°C
(29°F)		2°C
(35°F)		5°C
(41°F)		10°C
(51°F)		15°C
(59°F)		20°C
(68°F)		20°C
(69°F)		22°C
(71°F)		16°C
(62°F)		11°C
(52°F)		6°C
(43°F)		1°C
(35°F)
Average low-5°C
(24°F)		-1°C
(30°F)		0°C
(33°F)		4°C
(40°F)		10°C
(50°F)		14°C
(58°F)		15°C
(59°F)		16°C
(60°F)		11°C
(52°F)		6°C
(43°F)		3°C
(38°F)		-1°C
(31°F)
Mean minimum-16°C
(3°F)		-9°C
(16°F)		-6°C
(21°F)		-2°C
(29°F)		3°C
(38°F)		9°C
(48°F)		10°C
(50°F)		10°C
(51°F)		4°C
(39°F)		0°C
(32°F)		-4°C
(25°F)		-9°C
(17°F)
Minimum-19°C
(-3°F)		-11°C
(12°F)		-12°C
(10°F)		-6°C
(21°F)		0°C
(33°F)		6°C
(43°F)		8°C
(47°F)		8°C
(47°F)		0°C
(33°F)		-4°C
(26°F)		-6°C
(21°F)		-14°C
(8°F)

Compare climate in Simisna with other places

Compare temperature, precipitation, sunshine, UV index in Simisna, Romania with other places around the world.

Monthly average precipitation in Simisna, Romania

Simisna usually has the most precipitation in May, June and July, with an average of 15 rainy days and 99 mm (3.9 inches) of precipitation per month. The driest months in Simisna are January, August and November. On average, 44 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Simisna. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)44 (1.7)61 (2.4)55 (2.2)52 (2.0)109 (4.3)102 (4.0)86 (3.4)43 (1.7)58 (2.3)55 (2.2)46 (1.8)75 (2.9)
Average precipitation days (≥ 1 mm)101111101715138781014

Monthly sunshine hours in Simisna, Romania

The sunniest months in Simisna are June, July and August, when the sun shines an average of 13 hours 34 minutes a day. Least sunny months in Simisna: January, February and December receive an average of 5 hours 46 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Simisna. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours151205288346393415428405337284215168
Mean daily daylight hours8h 56m10h 15m11h 55m13h 38m15h 6m15h 51m15h 27m14h 9m12h 30m10h 49m9h 18m8h 31m

Solar UV radiation in Simisna, Romania

Simisna experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High category of sun exposure. January, November and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Simisna UV Index data.

Average daily maximum UV levels by month for Simisna. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235689987422